Systems Administrator – Infrastructure & End User Operations

Systems Administrator – Infrastructure & End User Operations

Opportune LLP – Houston, TX

The Systems Administrator – Infrastructure & End User Operations is a hands-on technical role responsible for maintaining and improving Opportune’s core systems, Microsoft cloud environment (M365/Azure), endpoint management, and SaaS applications while supporting day-to-day end-user operations. This role combines infrastructure ownership with operational support. Approximately 25% of time will focus on escalated support and endpoint operations, with the remaining time dedicated to system administration, automation, standardization, documentation, and continuous improvement.

The ideal candidate is technically strong, service-oriented, and motivated to reduce repetitive work through automation and process improvement. This position reports to the IT Director and works closely with the IT Analyst.

• Administer and optimize Microsoft 365, Azure AD/Entra , Exchange Online, Intune, and related services.
• Own endpoint management strategy, including device configuration, compliance policies, patching, and lifecycle management.
• Maintain and monitor virtualized infrastructure (VMware or similar), backups, and disaster recovery processes.
• Manage identity, access controls, MFA, conditional access, and least-privilege practices.
• Support and administer core SaaS platforms including Box Enterprise and other business-critical applications.
• Partner with outsourced vendors (e.g., network, firewall, SOC) to ensure effective collaboration and issue resolution.
• Maintain accurate system documentation, diagrams, and configuration standards.

• Serve as Tier 2/3 escalation for technical issues.
• Support imaging, provisioning, and deployment of laptops and mobile devices.
• Oversee onboarding and offboarding processes, ensuring accuracy, security, and timeliness.
• Identify recurring support issues and implement long-term fixes.
• Assist with AV systems, conference room technology, and office infrastructure as needed.

• Identify repetitive manual tasks and design automation solutions (Power Shell preferred).
• Improve imaging, onboarding/offboarding, and device management workflows.
• Develop standards for configuration, documentation, and change management.
• Drive initiatives that reduce ticket volume and improve service efficiency.
• Contribute to long-term infrastructure roadmap planning.

• Support vulnerability remediation and patch compliance efforts.
• Assist with audit readiness and documentation (SOC2 or similar frameworks).
• Participate in incident response coordination when required.

• 3–6+ years of experience in systems administration or hybrid infrastructure/support role.
• Strong experience with Microsoft 365 and Azure administration.
• Experience managing endpoint environments (Intune or similar).
• Working knowledge of virtualization platforms and backup solutions.
• Experience supporting end users in a professional services or corporate environment.
• Experience with scripting and automation (Power Shell strongly preferred).
• Strong documentation and process orientation.
• Customer-focused mindset with strong communication skills.

• Experience with Box Enterprise administration.
• Familiarity with SOC, cybersecurity best practices, and compliance frameworks.
• Experience working alongside managed service providers or outsourced security teams.
• Industry experience in professional services or oil & gas environments.